CVE-2021-33077 Privilege escalation in Intel(R) SSD, Intel(R) Optane(TM) SSD and Intel(R) SSD DC Products

Medium 6.8 Published 12 May 2022 Updated 5 May 2025

An unauthenticated attacker with physical access can escalate privileges due to insufficient control flow management in Intel SSD firmware.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-33077?

CVE-2021-33077 is a medium-severity vulnerability in Intel(R) SSD, Intel(R) Optane(TM) SSD and Intel(R) SSD DC Products, published on 12 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Insufficient control flow management in firmware for some Intel(R) SSD, Intel(R) Optane(TM) SSD and Intel(R) SSD DC Products may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

Which versions are affected by CVE-2021-33077?

It affects 7 products.

Products include Intel Optane Memory H10 With Solid State Storage Firmware, Intel Optane Memory H20 With Solid State Storage Firmware, Intel Optane Ssd 900p Firmware, Intel Optane Ssd 905p Firmware, Intel Optane Ssd Dc P4800x Firmware, Intel Optane Ssd Dc P4801x Firmware and 1 more.

How do I fix CVE-2021-33077?

No fix has been published for CVE-2021-33077 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-33077 being exploited?

There is no known exploitation of CVE-2021-33077 in the wild and no public exploit code.

Sources

Also known as GHSA-fpf8-xccp-3wqf.